Index: trunk/FACT++/gui/MainWindow.cc
===================================================================
--- trunk/FACT++/gui/MainWindow.cc	(revision 11805)
+++ trunk/FACT++/gui/MainWindow.cc	(revision 11807)
@@ -108,4 +108,13 @@
 }
 
+void MainWindow::on_fRatesMin_valueChanged(int min)
+{
+    fRatesCanv->SetMin(min);
+}
+
+void MainWindow::on_fRatesMax_valueChanged(int max)
+{
+    fRatesCanv->SetMax(max);
+}
 
 void MainWindow::on_fShutdown_clicked()
Index: trunk/FACT++/gui/MainWindow.h
===================================================================
--- trunk/FACT++/gui/MainWindow.h	(revision 11805)
+++ trunk/FACT++/gui/MainWindow.h	(revision 11807)
@@ -162,7 +162,7 @@
     virtual void on_fThresholdPatch_valueChanged(int) = 0;
     virtual void on_fPixelIdx_valueChanged(int) = 0;
-    virtual void on_fRatesMin_valueChanged(int) = 0;
-    virtual void on_fRatesMax_valueChanged(int) = 0;
 
+    void on_fRatesMin_valueChanged(int); // FIXME: Could be set as slot in the designer
+    void on_fRatesMax_valueChanged(int); // FIXME: Could be set as slot in the designer
     void on_fPixelEnableAll_clicked();
     void on_fPixelDisableAll_clicked();